+++ /dev/null
-package tim.prune.function.compress;
-
-import java.awt.BorderLayout;
-import java.awt.Dimension;
-import java.awt.FlowLayout;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-
-import javax.swing.BorderFactory;
-import javax.swing.Box;
-import javax.swing.BoxLayout;
-import javax.swing.JButton;
-import javax.swing.JDialog;
-import javax.swing.JOptionPane;
-import javax.swing.JPanel;
-
-import tim.prune.App;
-import tim.prune.I18nManager;
-import tim.prune.UpdateMessageBroker;
-import tim.prune.data.DataPoint;
-import tim.prune.data.Track;
-
-/**
- * Class to provide the function for track compression
- */
-public class CompressTrackFunction extends MarkAndDeleteFunction
-{
- private Track _track = null;
- private JDialog _dialog = null;
- private JButton _okButton = null;
- private CompressionAlgorithm[] _algorithms = null;
- private SummaryLabel _summaryLabel = null;
-
-
- /**
- * Constructor
- * @param inApp app object
- */
- public CompressTrackFunction(App inApp)
- {
- super(inApp);
- _track = inApp.getTrackInfo().getTrack();
- makeAlgorithms();
- }
-
- /** Get the name key */
- public String getNameKey() {
- return "function.compress";
- }
-
- /**
- * Show the dialog to select compression parameters
- */
- public void begin()
- {
- // Make dialog window
- if (_dialog == null)
- {
- _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
- _dialog.setLocationRelativeTo(_parentFrame);
- _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
- _dialog.getContentPane().add(makeDialogComponents());
- _dialog.pack();
- }
- preview();
- _dialog.setVisible(true);
- }
-
- /**
- * Preview the compression by calling each algorithm in turn
- * @return array of delete flags
- */
- private boolean[] preview()
- {
- int numToDelete = 0;
- boolean[] deleteFlags = new boolean[_track.getNumPoints()];
- for (int i=0; i<_algorithms.length; i++)
- {
- numToDelete += _algorithms[i].preview(deleteFlags);
- }
- _summaryLabel.setValue(numToDelete);
- _okButton.setEnabled(numToDelete > 0);
- return deleteFlags;
- }
-
-
- /**
- * Create dialog components
- * @return Panel containing all gui elements in dialog
- */
- private JPanel makeDialogComponents()
- {
- JPanel dialogPanel = new JPanel();
- dialogPanel.setLayout(new BorderLayout());
-
- // Make a central panel
- JPanel mainPanel = new JPanel();
- mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
-
- // Add each of the algorithm components to the panel
- for (int i=0; i<_algorithms.length; i++)
- {
- mainPanel.add(_algorithms[i].getGuiComponents());
- mainPanel.add(Box.createRigidArea(new Dimension(0, 2)));
- }
- // Summary label below algorithms
- JPanel summaryPanel = new JPanel();
- _summaryLabel = new SummaryLabel(_track);
- summaryPanel.add(_summaryLabel);
- mainPanel.add(summaryPanel);
- dialogPanel.add(mainPanel, BorderLayout.NORTH);
-
- // button panel at bottom
- JPanel buttonPanel = new JPanel();
- buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
- _okButton = new JButton(I18nManager.getText("button.ok"));
- _okButton.setEnabled(false);
- ActionListener okListener = new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- finish();
- }
- };
- _okButton.addActionListener(okListener);
- buttonPanel.add(_okButton);
- JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
- cancelButton.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- _dialog.dispose();
- }
- });
- buttonPanel.add(cancelButton);
- dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
- dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
- return dialogPanel;
- }
-
-
- /**
- * Initialise all the algorithms to use
- */
- private void makeAlgorithms()
- {
- // make listener to be informed of algorithm activation
- ActionListener changeListener = new ActionListener() {
- public void actionPerformed(ActionEvent arg0)
- {
- preview();
- };
- };
- // construct track details to be used by all algorithms
- TrackDetails details = new TrackDetails(_track);
- // make array of algorithm objects
- _algorithms = new CompressionAlgorithm[] {
- new DuplicatePointAlgorithm(_track, details, changeListener),
- new ClosePointsAlgorithm(_track, details, changeListener),
- new WackyPointAlgorithm(_track, details, changeListener),
- new SingletonAlgorithm(_track, details, changeListener),
- new DouglasPeuckerAlgorithm(_track, details, changeListener)
- };
- }
-
-
- /**
- * Finish the dialog when OK pressed
- */
- private void finish()
- {
- boolean[] deleteFlags = preview();
- // All flags are now combined in deleteFlags array
- int numMarked = 0;
- for (int i=0; i<deleteFlags.length; i++)
- {
- DataPoint point = _track.getPoint(i);
- boolean deletePoint = deleteFlags[i] && !point.hasMedia();
- point.setMarkedForDeletion(deletePoint);
- if (deletePoint) numMarked++;
- }
-
- // Close dialog and inform listeners
- UpdateMessageBroker.informSubscribers();
- _dialog.dispose();
- // Show confirmation dialog with OK button (not status bar message)
- if (numMarked > 0)
- {
- optionallyDeleteMarkedPoints(numMarked);
- }
- else
- {
- JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("dialog.compress.confirmnone"),
- I18nManager.getText(getNameKey()), JOptionPane.INFORMATION_MESSAGE);
- }
- }
-}
projects / GpsPrune.git / blobdiff